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Business unit / dept.: Metal Deposition Solutions

Ta 99.9% Ø21x5mm - 0481638

Ta 99.9% Ø21x5mm - 0481638

Specifications

Coating material

Tantalum

Purity

99.9%

Form

Disc

Dimensions

Ø 21 x 5 mm

Quantity

1 pc

Theoretical density at 20°C in g/cm³

16.6

Melting point in °C

3017

Temperature at vapor pressure

10⁻² mbar in °C

3040

10⁻¹ mbar in °C

3310

Boiling point in °C

5458

Evaporation source (typically)

E-gun

Directly from Cu crucible

Good

Boat

Specific evaporation conditions

Low residual pressure

Good

Film refractive index n / extinction coefficient k

at 550 nm: n

2.36-2.56

at 550 nm: k

1.81-1.86

at 10 µm: n

14

at 10 µm: k

46.4(10.33 µm)

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Umicore RISE Strategy 2030